2097242111999 has 4 divisors (see below), whose sum is σ = 2122510089336. Its totient is φ = 2071974134664.

The previous prime is 2097242111977. The next prime is 2097242112079. The reversal of 2097242111999 is 9991112427902.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2097242111999 - 2²⁸ = 2096973676543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097242111929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12633988544 + ... + 12633988709.

It is an arithmetic number, because the mean of its divisors is an integer number (530627522334).

Almost surely, 2^{2097242111999} is an apocalyptic number.

2097242111999 is a deficient number, since it is larger than the sum of its proper divisors (25267977337).

2097242111999 is an equidigital number, since it uses as much as digits as its factorization.

2097242111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25267977336.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 2097242111999 in words is "two trillion, ninety-seven billion, two hundred forty-two million, one hundred eleven thousand, nine hundred ninety-nine".